*{
    padding: 0;
    margin:0;
    list-style: none;
    box-sizing: border-box;
}

.box{
    width: 300px;
    height: 300px;
    border:1px solid #CCC;
    margin: 30px auto 0;
}

.title{
    height: 41px;
    border-bottom: 1px solid #CCC;
    display: flex;
}
.title span{
    flex: 1;
    line-height: 40px;
    text-align: center;
}
.title span:not(:last-child){
    border-right: 1px solid #CCC;
}

.active{
    background: orange;
}

.con > div{
    text-align: center;
    line-height: 100px;
    font-size: 20px;
    color: red;
    display: none;
}

.show{
    display: block!important;
}